Two cases of primary intracranial subdural empyema are reported. One is 15 yr-old male and the other is 14 yr-old female. Clinical presentation was high fever, severe headache, impaired consciousness, marked neck stiffness and periorbital swelling in both cases. Since CT brain scan with contract enhancement clearly demonstrated the lesion, angiography was not performed. In one case, craniotomy was done with drainage of pus and thorough irrigation. He died on the 9th postoperative day after generalized covulsive seizure. In the other case, craniectomy was taken. She received additional two craniectomies due to reaccumulation of pus and osteomyelitis, and discharged without major disability on the 64th hospital day. Related reports were briefly reviewed.